18571658

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 33264000

約数和(自身を除く): 14692342

約数列:

[1, 2, 7, 14, 29, 58, 149, 203, 298, 307, 406, 614, 1043, 2086, 2149, 4298, 4321, 8642, 8903, 17806, 30247, 45743, 60494, 62321, 91486, 124642, 320201, 640402, 1326547, 2653094, 9285829, 18571658]

約数ペア:

[(1, 18571658), (2, 9285829), (7, 2653094), (14, 1326547), (29, 640402), (58, 320201), (149, 124642), (203, 91486), (298, 62321), (307, 60494), (406, 45743), (614, 30247), (1043, 17806), (2086, 8903), (2149, 8642), (4298, 4321)]